OID value: 2.16.840.1.101.2.1.4.2
OID description:
id-mail-list ID ::= {id-object-classes 2}
mail-list OBJECT-CLASS SUBCLASS OF top MUST CONTAIN { } MAY CONTAIN { mlid, mlReceiptPolicy, mlMembership, mlAdministrator, mlExemptedAddressProcessor } ::= {id-mail-list}
See also the OID Repository website reference for 2.16.840.1.101.2.1.4.2